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1230211313100 = 22325271117999173
BaseRepresentation
bin10001111001101110010…
…011101110110111001100
311100121101112121211102200
4101321232103232313030
5130123433044004400
62341052401521500
7154610532425040
oct21715623566714
94317345554380
101230211313100
1143480323a850
1217a50b343290
138c015698533
1443784a5c020
1522002155b00
hex11e6e4eedcc

1230211313100 has 432 divisors, whose sum is σ = 4834423077120. Its totient is φ = 254197670400.

The previous prime is 1230211313029. The next prime is 1230211313101. The reversal of 1230211313100 is 13131120321.

1230211313100 is a `hidden beast` number, since 1 + 230 + 21 + 1 + 313 + 100 = 666.

It is a super-2 number, since 2×12302113131002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1230211313101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12355114 + ... + 12454286.

It is an arithmetic number, because the mean of its divisors is an integer number (11190794160).

Almost surely, 21230211313100 is an apocalyptic number.

1230211313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230211313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417211538560).

1230211313100 is an abundant number, since it is smaller than the sum of its proper divisors (3604211764020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230211313100 is a wasteful number, since it uses less digits than its factorization.

1230211313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99390 (or 99380 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1230211313100 its reverse (13131120321), we get a palindrome (1243342433421).

The spelling of 1230211313100 in words is "one trillion, two hundred thirty billion, two hundred eleven million, three hundred thirteen thousand, one hundred".